"Breakthrough Therapy" Parkinson's Drug Raising Safety Concerns
Former Washington Gov. Booth Gardner, sits in his home in Tacoma, Wash., Tuesday, May 27, 2008. Gardner has suffered from Parkinson's disease for about 15 years.
( Ted S. Warren / AP Photo )
( Ted S. Warren / AP Photo )
Produced by Dana Roberson
Hosted by Todd Zwillich
